[FAQ]Frequently Asked Questions of OpenVPN

[Yealink Support]

Phone can’t connect to OpenVPN server

(1). Check the OpenVPN server is running successfully

Under normal circumstances, the OpenVPN icon in the task bar will show green after the VPN server is running up. If you move the mouse to the icon , you can see the virtual IP address of OpenVPN server as following figure:



(2). Check the phone’s OpenVPN.tar

Decompression your customer’s or your OpenVPN.tar file, you should find a keys directory and a vpn.cnf file (directory name must be as keys, profile name must be a vpn.cnf, their names are not allowed to be changed), as following figure:



(3). Check whether keys for client and vpn.cnf is matched

Enter keys directory, the corresponding name of ca, crt, key certificates in vpn.cnf should be consistent with keys three files in the directory name.



(4). Check whether server.ovpnand vpn.cnf is matched

configurations in client marked with the red arrows should be consistent with the server.



(5). Check the validity of certificates

Make sure the time of phone is within the validity of the certificates.
If not, please rebuild certificate or change the phone time.